/*
 * Copyright:  2018 smarabbit studio.
 *
 *  Licensed under the Confluent Community License; you may not use this file
 *  except in compliance with the License.  You may obtain a copy of the License at
 *
 *  http://www.confluent.io/confluent-community-license
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OF ANY KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations under the License.
 *
 *  @作   者： 黄开晖 (117227773@qq.com)
 *  @日   期:  2019年1月7日
 */

package com.massyframework.beanskin.util.threadlocal;

/**
 * {@link EmptyThreadLocalBinder}, 空的线程变量绑定器,不执行任何线程变量的处理。
 * <p>
 * 做为占位符，用在{@link ThreadLocalUtils}的全局线程变量绑定器工厂未设置前。
 */
class EmptyThreadLocalBinder implements ThreadLocalBinder {

    private static EmptyThreadLocalBinder INSTANCE = new EmptyThreadLocalBinder();

    static EmptyThreadLocalBinder getInstance(){
        return INSTANCE;
    }

    private EmptyThreadLocalBinder() {

    }

    /**
     * 将线程变量绑定到当前线程。
     */
    @Override
    public void bind() {

    }

	@Override
	public void unbind() {
		
	}
}
